Surgical stapling instrument



FIG. 1 is a side elevation of a surgical stapling instrument showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a fragmentary perspective view of the front portion of the stapling instrument;

FIG. 4 is a fragmentary perspective view of the rear portion of the stapling instrument;

FIG. 5 is a fragmentary side elevation thereof, with portions partially shown in section;

FIG. 6 is an exploded perspective view of the stapling instrument;

FIG. 7 is a cross-section taken on line 7--7 of FIG. 8; and

FIG. 8 is a top plan view of the instrument track cover. 

The ornamental design for a surgical stapling instrument, substantially as shown and described. 